Marquise|Lab Grown|IGI

3.89ct G VS1 Marquise Lab Grown Diamond

ID • G/VS1 • IGI LG810618886

Shape and cutting style on the report: Marquise brilliant

Certificate IGI LG810618886

Diamond specifications and retailer prices

From $529 USD
As of October 28, 2026
Save $3,103 USD (85%) vs most expensive(unlock to see where)
5 retailers carry this diamond
Most expensive: $3,632 USD at Frank Darling · As of October 27, 2026
View at Frank Darling

About this 3.89ct lab-grown marquise diamond

This 3.89ct lab-grown marquise sits in the three to five carat band, graded G colour (near-colourless) and VS1 clarity (very-slightly-included), with a top-tier cut grade and certified by IGI LG810618886 or 810618886. Listed at 5 retailers as of October 27, 2026, with prices from $529 to $3,632, a $3,103 spread on the same certified stone. Frank Darling lists it at $3,632. Lab-grown prices in the 2ct and up range have fallen 40 to 60% over the last 18 months. Use the cross-retailer spread above to find the lowest current listing.

The 4Cs

3.89
Carat
G
Color
VS1
Clarity
Ideal
Cut

Specifications

CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
Crown angle35.4°
Pavilion angle40.3°
OriginLab Grown
Grading LabIGI
CertificateIGI LG810618886
Dimensions16.93 × 8.23 × 4.97 mm
L/W Ratio2.06
Girdle conditionFaceted
Cert comments
This Laboratory Grown Diamond was created by Chemical Vapor Deposition (CVD) growth process Type IIa
Top View
16.93 mm8.23 mm3.89 ctG / VS1
OriginLab Grown
CutIdeal
PolishExcellent
SymmetryExcellent
FluorescenceNone
CertificateIGI LG810618886
Side View
Table 63.0%Crown 35.4°Girdle: MED-STKPavilion 40.3°Culet: NoneDepth 60.4%

Caratlytics Score

How it works →
A
Excellent
Excellent quality and great value
Unlock full score analysis
See the detailed 0 to 100 score with Quality, Value, Certification & Market breakdown

Price History

Last verified: Oct 28
Current: $3,632 USD|Low: $529 USD|High: $3,760 USD|Avg: $1,720 USD|-0.0%
Frank Darling
Retailer 2
Retailer 3
Retailer 4
Retailer 5
Retailer 6
Retailer 7
Retailer 8
Retailer 9
Retailer 10
October 28, 2026
Retailer 2$529 USD
Retailer 5$746 USD
Retailer 7$825 USD
Retailer 6$906 USD
Retailer 9$1,032 USD
Retailer 10$1,262 USD
Retailer 4$1,944 USD
Retailer 3$2,745 USD
Frank Darling$3,632 USD
Retailer 8$3,760 USD

16 data points across 10 retailers

5 retailers$529 USD to $3,632 USD

A
Cheapest Retailer
-
$529 USD
Final sale: no returns
B+
Retailer 2
-
$746 USD
View
B+
Retailer 3
-
$1,944 USD
View
B
Retailer 4
-
$2,745 USD
View
Most Expensive
B
Frank Darling
100767741081KD · Oct 27
$3,632 USD
View
4 more retailers have this diamond
Prices start from $529 USDSave up to $3,103 USD

Carat Hunter is not affiliated with, endorsed by, or sponsored by any retailer listed. Retailer information is from publicly available sources and may not be current. Verify details directly with the retailer before purchasing. Return terms as we hold them. Check the retailer's own returns page before you buy.

A
3.89ct Marquise
$529 USD